Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water.
New to EnviroDIY? Start here

Reply To: PH Sensor Issue

2019-07-18 at 4:09 PM #12974

Gera

Participant

The pin is USB5V, I tried using that SW5 as well. I tried using all those slots, all of them gave me the exact same value of 3.73V.